问题 解答题
63÷7=580+200=60×7=350+500=35+8=
270-70=420×3=30÷6=700-120=240+80=
34-18=88÷9=90×4=93-63=8×0=
15×6=
1
5
+
4
5
=
1-
7
8
=
5
9
-
4
9
=
2
7
+
3
7
=
答案

63÷7=9580+200=78060×7=420350+500=85035+8=43
270-70=200420×3=126030÷6=5700-120=580240+80=320
34-18=1688÷9=9…790×4=36093-63=308×0=0
15×6=90
1
5
+
4
5
=1
1-
7
8
=
1
8
5
9
-
4
9
=
1
9
2
7
+
3
7
=
5
7

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